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#include <Wire.h>
#include <Adafruit_NeoTrellis.h>
#define MATRIX_SIZE 8
#define LED_COLOR_ON 0xFFFFFF // Color of the LEDs in ON state
#define LED_COLOR_OFF 0x000000 // Color of the LEDs in OFF state
Adafruit_NeoTrellis t_array[MATRIX_SIZE / 4][MATRIX_SIZE / 4] = {
{Adafruit_NeoTrellis(0x2E), Adafruit_NeoTrellis(0x2F)},
{Adafruit_NeoTrellis(0x30), Adafruit_NeoTrellis(0x32)}
};
Adafruit_MultiTrellis trellis((Adafruit_NeoTrellis *)t_array, MATRIX_SIZE / 4, MATRIX_SIZE / 4);
bool neoMatrix[MATRIX_SIZE][MATRIX_SIZE]; // To track state of each pixel
enum NeoState {
NEO_UNINITIALIZED,
NEO_PLAYING,
NEO_SOLVED
};
NeoState neoState = NEO_UNINITIALIZED;
void setup() {
Serial.begin(115200);
while (!Serial); // Wait for Serial to be ready
if (!trellis.begin()) {
Serial.println("Failed to initialize NeoTrellis");
while (1) delay(1);
}
// Initialize the matrix with a checkerboard pattern
bool toggle = false;
for (int i = 0; i < MATRIX_SIZE; i++) {
for (int j = 0; j < MATRIX_SIZE; j++) {
neoMatrix[i][j] = toggle;
toggle = !toggle;
trellis.setPixelColor(i * MATRIX_SIZE + j, neoMatrix[i][j] ? LED_COLOR_ON : LED_COLOR_OFF);
}
toggle = !toggle;
}
trellis.show();
neoState = NEO_PLAYING;
// Register the callback for each key
for (int i = 0; i < MATRIX_SIZE * MATRIX_SIZE; i++) {
trellis.activateKey(i, SEESAW_KEYPAD_EDGE_RISING, true);
trellis.activateKey(i, SEESAW_KEYPAD_EDGE_FALLING, true);
trellis.registerCallback(i, buttonCallback);
}
}
void loop() {
trellis.read(); // Process button events
delay(20);
}
TrellisCallback buttonCallback(keyEvent evt) {
int x = evt.bit.NUM / MATRIX_SIZE;
int y = evt.bit.NUM % MATRIX_SIZE;
if (evt.bit.EDGE == SEESAW_KEYPAD_EDGE_RISING) {
toggleAdjacentLEDs(x, y);
trellis.show();
if (isNeoPuzzleSolved()) {
neoState = NEO_SOLVED;
Serial.println("The NeoTrellis puzzle is solved!");
}
}
return 0;
}
void toggleAdjacentLEDs(int x, int y) {
for (int dx = -1; dx <= 1; ++dx) {
for (int dy = -1; dy <= 1; ++dy) {
if (dx == 0 && dy == 0) continue; // Skip the center button itself
int nx = x + dx, ny = y + dy;
if (nx >= 0 && nx < MATRIX_SIZE && ny >= 0 && ny < MATRIX_SIZE) {
neoMatrix[nx][ny] = !neoMatrix[nx][ny];
trellis.setPixelColor(nx * MATRIX_SIZE + ny, neoMatrix[nx][ny] ? LED_COLOR_ON : LED_COLOR_OFF);
}
}
}
}
bool isNeoPuzzleSolved() {
for (int i = 0; i < MATRIX_SIZE; i++) {
for (int j = 0; j < MATRIX_SIZE; j++) {
if (neoMatrix[i][j]) return false; // If any LED is on, puzzle is not solved
}
}
return true;
}
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